Bug #86215 MySQL is much slower in 5.7 vs 5.6
Submitted: 8 May 2017 13:35 Modified: 11 Jul 2017 22:44
Reporter: Mark Callaghan Email Updates:
Status: Analyzing Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S5 (Performance)
Version:8.0.1 OS:Any
Assigned to: Dimitri Kravtchuk CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: